MSD Ignition Pro-Billet Distributor Features: Easy Installation And Provide Powerful Spark Billet Aluminum CNC Machined For Closer Tolerances Provides Accurate Spark Delivery Adjustable Mechanical Advance High Output Magnetic Pickup Use w/260/307/330/350/400/403/425/455cu in. Ent. Must Be Used With MSD 6/7/8-Series Ignitions Height: 18.00 Width: 7.00 Length: 7.00 Weight: 5.40 lbs Vehicle Type: 2717